21946953

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{863}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 34276608

約数和(自身を除く): 12329655

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 863, 1211, 2589, 3633, 6041, 8477, 18123, 25431, 42287, 126861, 149299, 447897, 1045093, 3135279, 7315651, 21946953]

約数ペア:

[(1, 21946953), (3, 7315651), (7, 3135279), (21, 1045093), (49, 447897), (147, 149299), (173, 126861), (519, 42287), (863, 25431), (1211, 18123), (2589, 8477), (3633, 6041)]